Schema Panel

Use this panel to setup your database problem (CREATE TABLE, INSERT, and whatever other statements you need to prepare a representative sample of your real database).
Use "Text to DDL" to quickly build your schema objects from text.

Query Panel

Use this panel to try to solve the problem with other SQL statements (SELECTs, etc...).
Results will be displayed below. Share your queries by copying and pasting the URL that is generated after each run.